Ruby | Date - function

Ruby | Date - function

Last Updated : 09 Jan, 2020

Date#-() is a Date class method which returns the difference between two dates if the object is date type object.

Syntax: Date.-() Parameter: Date values Return: difference between two dates

Example #1 :

Ruby 1=1

# Ruby code for Date.-() method

# loading date
require 'date'

# declaring Date 
a = Date.new(2019, 1, 1)

# declaring Date
b = Date.jd(2452004)

# declaring Date
c = Date.ordinal(2019, 12)

# Date 
puts "Date a : #{a}\n\n"
puts "Date b : #{b}\n\n"
puts "Date c : #{c}\n\n\n\n"


# - form 
puts "Date a - form : #{a - Rational(3, 2)}\n\n"
puts "Date b - form : #{b - Rational(10, 2)}\n\n"
puts "Date c - form : #{c - Rational(10, 4)}\n\n"

Output :

Date a : 2019-01-01

Date b : 2001-04-04

Date c : 2019-01-12



Date a - form : 2018-12-30

Date b - form : 2001-03-30

Date c - form : 2019-01-09

Example #2 :

Ruby

# Ruby code for Date.-() method

# loading date
require 'date'

# declaring Date 
a = Date.parse('2019-01-01')

# declaring Date
b = Date.strptime('03-12-2019', '%d-%m-%Y')

# declaring Date
c = Date.commercial(2019, 5, 6)

# Date 
puts "Date a : #{a}\n\n"
puts "Date b : #{b}\n\n"
puts "Date c : #{c}\n\n\n\n"


# - form 
puts "Date a - form : #{a - Rational(3, 2)}\n\n"
puts "Date b - form : #{b - Rational(10, 2)}\n\n"
puts "Date c - form : #{c - Rational(10, 4)}\n\n"

Output :

Date a : 2019-01-01

Date b : 2019-12-03

Date c : 2019-02-02



Date a - form : 2018-12-30

Date b - form : 2019-11-28

Date c - form : 2019-01-30

Ruby | Date - function

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